Finding the Fourth Proportional to 396,576.97, 547,276.90 and 226,811.10
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Solution
The fourth proportional to 396,576.97, 547,276.90 and 226,811.10 is: 312,999.70
Step by Step Solution
- Step 1: Write the proportion equation
396,576.97 : 547,276.90 = 226,811.10 : x - Step 2: Convert to fraction form
396,576.97/547,276.90 = 226,811.10/x - Step 3: Cross multiply
396,576.97x = 547,276.90 × 226,811.10 - Step 4: Simplify right side
396,576.97x = 124,128,474,525.69 - Step 5: Solve for x
x = 124,128,474,525.69/396,576.97 - Step 6: Final answer
x = 312,999.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.